#!/bin/sh

[[ "$(df | grep overlay)" && ! "$(df | grep /rom/overlay)" ]] && firstboot

version=`uci -q get base_config.@status[0].version`

. /etc/openwrt_release
test -n "${DISTRIB_ID}" || DISTRIB_ID=OpenWrt
DISTRIB_ID=`echo -n $DISTRIB_ID | tr a-z A-Z`

if [ "$(uci -q get dhcp.@dnsmasq[0].port)" != "53" ]; then
	uci -q set dhcp.@dnsmasq[0].port='53'
	uci commit dhcp
fi

uci set dockerd.firewall.extra_iptables_args='--match conntrack ! --ctstate RELATED,ESTABLISHED'
uci commit dockerd

sed -i '/profile.d/d' /lib/upgrade/keep.d/base-files

sed -i 's/\(custom.*\)\/custom/\1/' /etc/opkg/distfeeds.conf
sed -i 's?\(src/gz openwrt_core\)?#\1?' /etc/opkg/distfeeds.conf

echo $(uci -q get uhttpd.main.index_page) | grep -q "cgi-bin/luci" ||
	uci -q add_list uhttpd.main.index_page='cgi-bin/luci' && uci commit uhttpd

[ -f /usr/bin/wget ] && 	
	ln -s /usr/bin/wget /usr/bin/wget-ssl

sed -i "s/git-.*-\(.*\)/git-\1/g" /usr/lib/lua/luci/version.lua

sed -i '/S99opkg/d' /etc/crontabs/root
hour="$(grep -m1 -ao '[4-6]' /dev/urandom | head -n1)"
min="$(grep -m1 -ao '[0-5][0-9]' /dev/urandom | head -n1)"
echo "$min $hour * * * sh /etc/rc.d/S99opkg >/dev/null 2>&1" >> /etc/crontabs/root

[[ "$(echo "$(/sbin/cpuinfo 2>/dev/null)" | grep -i "MHz")" ]] || sed -i "s/_('CPU Info'),cpuinfo.cpufreq,//" /www/luci-static/resources/view/status/include/10_system.js

grep -q op.supes.top /etc/bypass/white.list ||
		echo "op.supes.top" >> /etc/bypass/white.list

processor=`cat /proc/cpuinfo | grep 'processor' | wc -l`
test -n "$processor" || processor=3
sed -i "s/^threads =.*/threads = $processor/" /etc/uwsgi/vassals/luci-webui.ini
test $version -lt 1 && {
	uci -q set luci.main.lang='auto'
	uci -q set luci.main.mediaurlbase=/luci-static/edge
	uci commit luci

	uci -q get system.@system[0] >/dev/null 2>&1 && {
		uci -q set system.@system[0].hostname="${DISTRIB_ID}"
		uci -q set system.@system[0].zonename='Asia/Shanghai'
		uci -q set system.@system[0].timezone='CST-8'
		uci -q del system.ntp.server
		uci -q add_list system.ntp.server='ntp.aliyun.com'
		uci -q add_list system.ntp.server='0.openwrt.pool.ntp.org'
		uci -q set system.@system[0].autoupgrade_pkg='1'
		uci -q set system.@system[0].autoupgrade_fm='1'
		uci commit system
	}

	uci -q set uhttpd.main.rfc1918_filter=0
	uci -q set uhttpd.main.redirect_https=0
	uci -q set uhttpd.main.script_timeout='120'
	uci commit uhttpd

	SSID=${DISTRIB_ID}
	SSID_PASSWD=88888888

	uci -q set base_config.@status[0].SSID=${SSID}
	# uci set base_config.@status[0].SSID_PASSWD=${SSID_PASSWD}
	
	uci -q set upnpd.config.enabled='1'
	uci commit upnpd
	
	grep -q log-facility /etc/dnsmasq.conf ||
		echo "log-facility=/dev/null" >> /etc/dnsmasq.conf

	grep -q /etc/dnsmasq.d /etc/dnsmasq.conf ||
		echo "conf-dir=/etc/dnsmasq.d" >> /etc/dnsmasq.conf

	uci -q set turboacc.config.sfe_flow='0'
	uci commit turboacc

	uci -q set fstab.@global[0].anon_mount=1
	uci commit fstab
 
 	test ! -f /etc/config/placeholder && {
	uci -q set network.lan.ipaddr="10.0.0.1"
	uci -q set network.@globals[0].packet_steering=1
	uci commit network
	}
  
	uci -q set dhcp.@dnsmasq[0].dns_redirect='1'
	uci -q set dhcp.dnsmasq[0].allservers='1'
	uci -q set dhcp.lan.force='1'
	uci -q set dhcp.@dnsmasq[0].cachesize='1500'
	uci -q set dhcp.@dnsmasq[0].min_ttl='3600'
	uci -q set dhcp.lan.ra='hybrid'
	uci -q set dhcp.lan.ndp='hybrid'
	uci -q set dhcp.lan.dhcpv6='hybrid'
	uci -q set dhcp.lan.force='1'
	uci commit dhcp

	uci -q set nft-qos.default.limit_enable='0'
	uci commit nft-qos

	uci -q set system.@system[0].conloglevel='4'
	uci -q set system.@system[0].cronloglevel='8'
	uci commit system
}

# kB
memtotal=`grep MemTotal /proc/meminfo | awk '{print $2}'`
if test $memtotal -ge 1048576; then
	# > 1024M
	cachesize=10000
	dnsforwardmax=10000
	nf_conntrack_max=262144
elif test $memtotal -ge 524288; then
	# <= 1024M
	cachesize=10000
	dnsforwardmax=10000
	nf_conntrack_max=131072
elif test $memtotal -ge 262144; then
	# <= 512M
	cachesize=8192
	dnsforwardmax=8192
	nf_conntrack_max=65536
elif test $memtotal -ge 131072; then
	# <= 256M
	cachesize=4096
	dnsforwardmax=4096
	nf_conntrack_max=65536
elif test $memtotal -ge 65536; then
	# <= 128M
	cachesize=2048
	dnsforwardmax=2048
	nf_conntrack_max=32768
else
	# < 64M
	cachesize=1024
	dnsforwardmax=1024
	nf_conntrack_max=16384
fi

test $version -lt 1 && {
	uci -q get dhcp.@dnsmasq[0] || uci -q add dhcp dnsmasq
	uci -q set dhcp.@dnsmasq[0].cachesize="$cachesize"
	uci -q set dhcp.@dnsmasq[0].dnsforwardmax="$dnsforwardmax"
	uci -q set dhcp.@dnsmasq[0].localservice='0'
	uci -q set dhcp.@dnsmasq[0].localise_queries='1'
	uci -q set dhcp.@dnsmasq[0].rebind_protection='0'
	uci -q set dhcp.@dnsmasq[0].rebind_localhost='1'
	uci commit dhcp
	uci -q set system.@system[0].zram_comp_algo='zstd'
	uci -q set system.@system[0].zram_size_mb="$(expr $memtotal / 1024 / 3)"
	uci commit system
	version=1
}

# sysctl overwrite
SYSCTL_LOCAL=/etc/sysctl.d/50-local.conf
mkdir -p /etc/sysctl.d
echo -n >$SYSCTL_LOCAL

echo net.nf_conntrack_max=$nf_conntrack_max >>$SYSCTL_LOCAL
echo net.ipv4.ip_early_demux=0 >>$SYSCTL_LOCAL
echo net.bridge.bridge-nf-call-iptables=0 >>$SYSCTL_LOCAL
echo net.ipv4.fib_multipath_hash_policy=1 >>$SYSCTL_LOCAL
echo net.ipv4.tcp_congestion_control=cubic >>$SYSCTL_LOCAL
echo net.netfilter.nf_conntrack_helper=1 >>$SYSCTL_LOCAL
echo kernel.msgmax = 65536 >>$SYSCTL_LOCAL
echo kernel.msgmnb = 65536 >>$SYSCTL_LOCAL
echo vm.swappiness=0 >>$SYSCTL_LOCAL

cp -pR /www/cgi-bin/* /www/
rm -rf /tmp/luci-*

uci -q set base_config.@status[0].version=$version
uci commit base_config
